[INFO] fetching crate dpf-fss 0.5.2...
[INFO] checking dpf-fss-0.5.2 against 1.95.0 for pr-155915
[INFO] extracting crate dpf-fss 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate dpf-fss 0.5.2
[INFO] finished tweaking crates.io crate dpf-fss 0.5.2
[INFO] tweaked toml for crates.io crate dpf-fss 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dpf-fss 0.5.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 88 packages to latest compatible versions
[INFO] [stderr]       Adding aes v0.8.4 (available: v0.9.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding dcf v0.5.2 (available: v0.6.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dcf v0.5.2
[INFO] [stderr]   Downloaded group-math v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c57e468307fc61d85ffb2cefd1acb1d77521e2d314df4cf4248d18b2d1328101
[INFO] running `Command { std: "docker" "start" "-a" "c57e468307fc61d85ffb2cefd1acb1d77521e2d314df4cf4248d18b2d1328101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57e468307fc61d85ffb2cefd1acb1d77521e2d314df4cf4248d18b2d1328101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57e468307fc61d85ffb2cefd1acb1d77521e2d314df4cf4248d18b2d1328101", kill_on_drop: false }`
[INFO] [stdout] c57e468307fc61d85ffb2cefd1acb1d77521e2d314df4cf4248d18b2d1328101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b060acc9a84cbf83ab29525832645126c5e074c20efcee315b3e1f0ddf95b9c3
[INFO] running `Command { std: "docker" "start" "-a" "b060acc9a84cbf83ab29525832645126c5e074c20efcee315b3e1f0ddf95b9c3", kill_on_drop: false }`
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking group-math v0.2.4
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/group-math-0.2.4/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(portable_simd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `group-math` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b060acc9a84cbf83ab29525832645126c5e074c20efcee315b3e1f0ddf95b9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b060acc9a84cbf83ab29525832645126c5e074c20efcee315b3e1f0ddf95b9c3", kill_on_drop: false }`
[INFO] [stdout] b060acc9a84cbf83ab29525832645126c5e074c20efcee315b3e1f0ddf95b9c3